{"id":6729,"date":"2025-09-23T12:50:05","date_gmt":"2025-09-23T05:50:05","guid":{"rendered":"https:\/\/www.infra-corp.co\/?post_type=service&#038;p=6729"},"modified":"2025-10-10T11:48:23","modified_gmt":"2025-10-10T04:48:23","slug":"cu-big-tree","status":"publish","type":"service","link":"https:\/\/www.infra-corp.co\/en\/service\/cu-big-tree\/","title":{"rendered":"CU Big Tree"},"content":{"rendered":"<p data-start=\"53\" data-end=\"536\"><span style=\"color: #000000; font-family: helvetica, arial, sans-serif;\">The <strong data-start=\"57\" data-end=\"79\">CU Big Tree System<\/strong> was developed to manage large trees within the pilot urban area of Chulalongkorn University. Its purpose is to collect physical data of trees, such as height, girth, and crown size, alongside the use of modern survey technologies. These include aerial imagery captured by drones to generate the <strong data-start=\"375\" data-end=\"424\">Normalized Difference Vegetation Index (NDVI)<\/strong>, as well as <strong data-start=\"437\" data-end=\"461\">LiDAR laser scanning<\/strong>, which can create detailed three-dimensional models of individual trees.<\/span><\/p>\n<p data-start=\"538\" data-end=\"1177\"><span style=\"color: #000000; font-family: helvetica, arial, sans-serif;\">Data obtained from laser scanning improves the accuracy of analyzing tree structure, branches, and canopy distribution, which is valuable for assessing tree strength, risks, and advanced maintenance planning. To make this information easily accessible to the public, a <strong data-start=\"807\" data-end=\"826\">web application<\/strong> has been developed to present tree details and locations via web maps, allowing citizens, researchers, and administrators to directly access the data. This proactive approach transforms tree management from merely repairing or maintaining after problems occur into monitoring tree health, predicting risks of collapse, and planning preventive care.<\/span><\/p>\n<p data-start=\"1179\" data-end=\"1577\"><span style=\"color: #000000; font-family: helvetica, arial, sans-serif;\">Beyond maintenance, the system also highlights environmental benefits, such as carbon absorption, providing shade to reduce urban heat, and serving as habitats for other organisms connected to the urban ecosystem. By making this information publicly available, the system encourages public participation, raises awareness of the value of large trees, and fosters a shared culture of conservation.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The CU Big Tree System was developed to manage large trees within the pilot urban area of Chulalongkorn University. 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